Abstract
We report coherent x-ray scattering studies of charge and orbital domains in manganite systems. The experiments were carried out on and with the incident photon energy tuned near the Mn K edge. At room temperature, the orbital speckle pattern of was observed to be constant over a timescale of at least minutes, which is indicative of static orbital domains on this timescale. For both charge and orbital speckle patterns were observed. The observation of the latter rules out the presence of fast orbital fluctuations, while long-time series data—on the order of several minutes—were suggestive of slow dynamic behavior. In contrast, the charge order speckle patterns were static.
- Received 18 June 2002
DOI:https://doi.org/10.1103/PhysRevB.66.134412
©2002 American Physical Society